Some of these venues are still around, left abandoned or under constant construction. It seems like such a waste to leave these once-magnificent houses of glory to rot by the side of the road. Why not give them all a little sprucing up?

There are a lot of things people can do with all those abandoned Olympic sites they've got lying around.

10 Ways to DIY Your Old Olympic Venue

1. Transform the Beijing National Stadium into a giant bird feeder.

Think of all the cute little birds that will flock to Beijing once it's finished. Everybody loves birds.

2. Spruce up the Athens Sports complex with pipe cleaners and bunting.

Why spoil something that looks so cool? This will only make it more beautiful.

Step 1: Weave all of the world's supply of pipe cleaners through the horizontal rungs. (The more colors, the better!)Step 2: Take cute bunting with 7,015 square feet of felt, and hang it from the arches.Instant covered archway!

3. Repurpose the Berlin Olympic swimming pool into a soap mold.

There's nothing a little soap can't clean! Use that big, square hole in the ground for some artisanal suds.

Step 1. Grab about 660,000 gallons of your favorite essential oils. Pour them in.Step 2. Use a cement mixer to melt and distribute all of the shea butter evenly into the mold.Step 3: Let it cool. Presto!

4. Make a snow globe using the London Olympic Stadium as a base.

Christmas can last year-round with this fun project.

Step 1: Find a quirky scene to place in the middle of the stadium. A forest or couple skyscrapers will do. Step 2: Get the biggest mason jar you can find.Step 3: Pour 2,000 tons of glitter. That will be your snow!Step 4: Fill the globe completely with distilled water. Now you just need someone large enough to shake it.

6. Paint the steps of the Munich Olympic train station with bright colors.

Conversation stairs are predicted to be really hot in 2014. Why not give this place an upbeat attitude?

Step 1: Paint the steps a bright fun color, like hot pink.Step 2: Write some encouraging phrases on the front of each step. Write something fun like "Beauty is in the eye of the beholder," or "An apple a day keeps the doctor away." Now passerby are informed!

7. Turn the Montreal Velodrome into a fun homemade instrument.

8. Make the Igman ski jumps in Sarajevo a homemade Slip-n-Slide.

The best way to beat the heat!

Step 1: Get about 1200 pool noodles, and place them along the track as bumpers. Safety first!Step 2: Line the track with trash bags. You'll probably need about 550.Step 3: Turn on the water hose, and you've got instant fun in the sun!

10. Liven the Reloj Solar sculpture in Mexico City with party hats.

Perfect for any birthday celebration!

Step 1: Paint with lots of crazy colors. Use glitter for extra flair -- but be prepared for the entire population of Mexico City to hate you for getting it everywhere.Step 2: Add giant beach-ball-sized pom-poms to the top. Step 3: Attach elastic to the bottom. (Optional)

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